Honda S2000 AP2 facelift (2003-2009) brn Wiring diagrams

1 2 TEST TACHOMETER CONNECTOR (AT LEFT REAR OF ENGINE COMPT) 2 15 11 K-LINE CAN-H CAN-L 2 4 CANL CANH BLK WIRE BLU WIRE BRN WIRE CAN L CAN-H DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH) DLC I/O ENGINE CONTROL MODULE (ECM) (BEHIND LEFT KICK PANEL) EPS CONTROL UNIT (RIGHT OF BATTERY) FUSE 46 GAUGE ASSEMBLY GRN WIRE GRN/WHT WIRE GRY GRY WIRE GRY WIRE HOT AT ALL TIMES IMMOBILIZER CONTROL UNIT (ON RIGHT SIDE OF STEERING COLUMN) K LINE LT BLU WIRE LT GRN WIRE MAIN UNDER-HOOD FUSE/RELAY BOX (AT RIGHT REAR OF ENGINE COMPT) MES MES CONNECTOR (ON UNDER-DASH FUSE/RELAY BOX) NEP RED WIRE SCS SCS DLC I/O NEP STEERING ANGLE SENSOR (UNDER STEER- ING COLUMN COVER) VSA MODULATOR/ CONTROL UNIT (AT LEFT REAR OF ENGINE COMPT) WEN WHT WIRE WHT/GRN WIRE

-SET CANCEL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DBW M+ DBW+ APP SENSOR (AT LEFT SIDE OF ENGINE COMPARTMENT) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SWITCH BRN WIRE CABLE REEL (UNDER STEERING CABLE REEL (UNDER STEERING COLUMN COVER) CLUTCH PEDAL POSITION SWITCH (UNDER LEFT SIDE OF DASH) COLUMN COVER) HORNS SYSTEM CRUISE CONTROL INDICATOR LIGHT CRUISE CONTROL MAIN SWITCH CRUISE CONTROL MAIN SWITCH LIGHT CRUISE CONTROL SET/ RESUME CANCEL SWITCH DBW M- SG DOOR LOCKS SYSTEM DRIVE CIRCUIT ENGINE CONTROL UNIT (BEHIND LEFT KICK PANEL) ENGINE CONTROLS SYSTEM FILTER FREQUENCY DIVIDER CIRCUIT FUSE 11 FUSE 14 FUSE 25 FUSE 46 FUSE 47 FUSE 5 FUSE 6 GAUGE ASSEMBLY GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HORN RELAY HOT AT ALL TIMES HOT IN ON LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MAIN UNDER- HOOD FUSE/ RELAY BOX (AT RIGHT REAR OF ENGINE COMPT) OFF ON ON INDICATOR ORG/ WIRE OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR (LEFT SIDE OF TRANSMISSION) PGM-FI MAIN PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RESUME SEDF SEFD STARTING/ CHARGING STEERING WHEEL) SYSTEM THROTTLE ACTUATOR CONTROL MODULE (UNDER RIGHT SIDE OF DASH) THROTTLE ACTUATOR CONTROL MODULE RELAY (UNDER LEFT SIDE OF DASH) TP SENSOR/ THROTTLE ACTUATOR (LEFT FRONT OF ENGINE) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) VCC WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

AUXILIARY UNDER-HOOD FUSE BOX (AT REAR LEFT OF ENGINE COMPARTMENT) FUSE 34 BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CONVERTIBLE TOP DISABLE SWITCH (W/ HARDTOP) (UNDER DRIVER'S ROLL BAR) FUSE 19 FUSE 6 GAUGE ASSEMBLY GRN WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON HOT IN ON W/ ENGINE NOT CRANKING LT GRN WIRE LT GRN/WHT WIRE NOISE COND- ENSER (AT LEFT SIDE OF TRUNK) ON IND- ICATOR POWER TOPS SYSTEM REAR WINDOW DEFOGGER DIODE (AT LEFT SIDE OF TRUNK) REAR WINDOW DEFOGGER (W/ HARD- TOP) REAR WINDOW DEFOGGER (W/ SOFTTOP) REAR WINDOW DEFOGGER CHANGE RELAY (AT LEFT SIDE OF TRUNK) REAR WINDOW DEFOGGER SWITCH REAR WINDOW DEFOGGER SWITCH LIGHT RED WIRE UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/GRN WIRE YEL WIRE

AUXILIARY UNDER-HOOD FUSE BOX (AT REAR LEFT OF ENGINE COMPT) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP CONTROL UNIT (UNDER RIGHT SIDE OF DASH) DRIVING CIRCUIT (VSS OUT) ENGINE CONTROL MODULE (ECM) (BEHIND LEFT KICK PANEL) EPS CONTROL UNIT (RIGHT OF BATTERY) EPS INDICATOR LIGHT EPS MOTOR EPS TORQUE SENSOR (BELOW FRONT CENTER OF ENGINE COMPT) EPSLD FUSE 33 FUSE 5 GAUGE ASSEMBLY GND 2 NEP GND 1 PVF SCS GRN WIRE HOT AT ALL TIMES HOT IN ON LT BLU WIRE MOTOR+ MOTOR- NEP PG +B PNK WIRE RED WIRE STEERING GEARBOX TACHOMETER TEST CONNECTOR (AT LEFT REAR OF ENGINE COMPARTMENT) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) VSP PNK WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WLP PS-SIG DLC YEL WIRE YEL/BLU WIRE

2 3 4 5 6 7 IMOCD DIAG-H BRK SW IMOARM BLK WIRE BLK/YEL WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ECM (BEHIND LEFT KICK PANEL) ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM FUEL FUEL PUMP TANK UNIT (ON TOP OF FUEL TANK, BELOW REAR TRAY) FUSE 2 FUSE 25 GAUGE ASSEMBLY GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND GROUND GROUND GROUND HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ON IMMOBILIZER CONTROL UNIT- RECEIVER (ON RIGHT SIDE OF STEERING COLUMN) IMMOBILIZER SYSTEM INDICATOR INSTRUMENT CLUSTER SYSTEM J/C J/C LT BLU WIRE MAIN UNDER-HOOD FUSE/RELAY BOX (AT RIGHT REAR OF ENGINE COMPT) FUSE 46 PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PGM-FI MAIN RELAY 1 (UNDER LEFT SIDE OF DASH) PGM-FI MAIN RELAY 2 (UNDER LEFT SIDE OF DASH) PNK WIRE POWER TOPS SYSTEM RED WIRE RED/BLU WIRE SUPPLEMENTAL RESTRAINTS SYSTEM UNDER-DASH FUSE/ RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

A/C COMPRESSOR (ON LOWER LEFT SIDE OF ENGINE) A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C PRESSURE SWITCH (ON RECEIVER DRIER, BEHIND CENTER OF FRONT BUMPER) A/C SWITCH AIR MIX CONTROL MOTOR (UNDER RIGHT SIDE OF DASH) AMD-P BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE ECT SENSOR 1 (TOP REAR OF ENGINE) ECT SENSOR 2 (LOWER LEFT OF RADIATOR) ENGINE CONTROL MODULE (ECM) (BEHIND LEFT KICK PANEL) ENGINE CONTROLS SYSTEM EVAPORATOR TEMPERATURE SENSOR (UNDER RIGHT SIDE OF DASH, ON HEATER CASE) FAN CTRL FRESH OUT RECIRC OUT FRS FUSE 20 FUSE 25 FUSE 58 GAUGE ASSEMBLY GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GROUND ILL(+) ILL(-) BATTERY IGNITION GRY WIRE HEATER CONTROL PANEL HIGH LOW HOT AT ALL TIMES HOT IN ON WITH ENGINE NOT CRANKING ILLUM CANCEL LT GRN WIRE M-COOL M-DEF M-HOT M-VENT MAIN UNDER-HOOD FUSE/RELAY BOX (AT RIGHT REAR OF ENGINE COMPARTMENT) MODE 1 MODE 2 MODE 3 MODE 4 MODE 4 OUTPUT MODE 3 OUTPUT ILLUM CANCEL SIG MODE CONTROL MOTOR (UNDER LEFT SIDE OF DASH) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE REC RECIRCULATION CONTROL MOTOR (UNDER RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY CTRL S-COM THERMAL PROTECTOR TO BLOWER MOTOR RELAY (DIAGRAM 2 OF 2) UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

AFS AFSHTC ALTF ALTL VTPSW APSB APSB BAROMETER SENSOR BLK WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE CMP B CKP DBW M- DBW+ ECM (BEHIND LEFT KICK PANEL) EVAP CANISTER PURGE VALVE (BELOW MASTER CYLINDER) FUSE 14 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/WHT WIRE HOT IN ON UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) IACV IAT ALTC SEFD SEDF PCS INTAKE AIR TEMPERATURE (IAT) SENSOR (ON INTAKE MANIFOLD) MAP AFS (+) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SEDF SEFD STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM THROTTLE ACTUATOR CONTROL MODULE (UNDER RIGHT SIDE OF DASH) VCC VTS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE CAMSHAFT POSITION (CMP) SENSOR (AT REAR OF ENGINE) FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 GRN WIRE GRN/YEL WIRE ICM IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGNITION COIL 4 RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE THROTTLE POSITION (TP) SENSOR/ THROTTLE ACTUATOR (LEFT FRONT OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE

ACCELERATOR PEDAL POSITION SENSOR (AT LEFT SIDE OF ENGINE COMPARTMENT) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRAKE PEDAL POSITION SWITCH (ON BRAKE PEDAL SUPPORT) BRN WIRE BRN/YEL WIRE ELD UNIT ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 (TOP REAR OF ENGINE) ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2 (LOWER LEFT OF RADIATOR) FUSE 16 FUSE 46 FUSE 47 FUSE 6 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON MAIN UNDER- HOOD FUSE/ RELAY BOX (AT RIGHT REAR OF ENGINE COMPT) OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR (LEFT SIDE OF TRANSMISSION) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SECONDARY HEATED UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

AF SENSOR RELAY (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRN WIRE FUEL PUMP FUEL TANK UNIT (ON TOP OF FUEL TANK, BELOW REAR TRAY) FUSE 11 FUSE 15 FUSE 10 GRN WIRE GRN/RED WIRE GRN/YEL WIRE HOT AT ALL TIMES ORG/ WIRE PGM-FI MAIN RELAY 2 (UNDER LEFT SIDE OF DASH) RED WIRE UNDER-DASH FUSE/RELAY BOX (UNDER LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE